Popular lectures on scientific subjects. 2nd ser. / by H. Helmholtz ; translated by E. Atkinson.

  • Helmholtz, Hermann von, 1821-1894.
Date:
1881

Licence: Public Domain Mark

Credit: Popular lectures on scientific subjects. 2nd ser. / by H. Helmholtz ; translated by E. Atkinson. Source: Wellcome Collection.

    6/288